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Would you offer EGFR inhibitors to a patient with metastatic lung adenocarcinoma EGFR L858R mutation and concomitant NRAS mutation both on blood based testing?

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Mednet Member
Mednet MemberInvited Expert
Medical Oncology · University Hospitals Seidman Cancer Center and Case Western Reserve University
Answered on

This of course should be a rare event. Indeed, out of the hundreds of EGFR mutation positive patients I have seen, I have only encountered one case of concurrent KRAS G12C mutation and no concurrent NRAS mutation. The classic teaching is that KRAS mutations and EGFR mutations are mutually exclusive,...

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